Abin farin ciki!Mun gudanar da gwajin gwajin layin samar da bututun OPVC mai tsawon mita 630. Idan aka yi la'akari da ƙayyadaddun bututun, tsarin gwajin ya kasance mai ƙalubale. Koyaya, ta hanyar sadaukarwar ƙoƙarce-ƙoƙarce na ƙungiyar fasahar mu, yayin da aka yanke ƙwararrun bututun OPVC ɗaya bayan ɗaya, gwajin ya nuna babban nasara.